In the fourth official trailer for strategy RPG Natural Doctrine the focus has moved to different environments found on the battlefield. While the video showcases a number of different creatures and character customisation options, it's primary purpose is to show how you can modify the environment as you play.

Fallen rocks in the way? Just blow them up! Take a look:

Natural Doctrine will be released on PlayStation 3, PlayStation Vita, and PlayStation 4 on September 26th in North America.